DeKalb County Building Departments (Illinois)

Search for DeKalb County, IL building and zoning records. Building records include building plans, building code evaluations, building surveys, and building code violations, and zoning records include zoning violations, zoning boundaries, and zoning regulations.


DeKalb County Building Departments develop and enforce building codes to ensure the construction of safe buildings in DeKalb County, Illinois. The Building Department maintains building and zoning records, including design plans for construction and renovation projects, records on the current structures on any parcel, maps showing property lines, and DeKalb County building permits issued by the department. They also keep records on a property's compliance with DeKalb County building codes, including building and zoning violations, as well as records of inspection reports. Many Building Departments provide online access to building records.

Cortland Zoning Cortland IL 59 South Somonauk Road 60112 815-756-4124

Sycamore Zoning Sycamore IL 541 Dekalb Avenue 60178 815-895-4434


DeKalb County Treasurers and Tax Collectors are responsible for the collection of property tax revenue in IL. The Office of the Treasurer and Tax Collector maintains and updates records on every parcel in the district, as well as maintaining certain building and zoning records. These records include building valuations, zoning boundaries, and building construction. Treasurers and Tax Collectors also keep documents on DeKalb County property taxes, including property tax assessments, defaults on property taxes, and tax liens. The office may also maintain information on property auctions and a property's prior liens or foreclosures. Many Treasurers and Tax Collectors provide online databases to access their DeKalb County building records, including documents on building and zoning.

Administration Building - Sycamore Campus Sycamore IL 110 East Sycamore Street 60178 815-895-7112


DeKalb County Assessors evaluate the value of properties and parcels in order to determine property taxes. The Assessor's Office maintains current data on every property in the DeKalb County, IL including inventories of parcels and structures, zoning boundaries, and the value of all the property in the jurisdiction. Assessors may also keep DeKalb County building and zoning records, such as reports from on-site inspections, maps of property lines and zones, and value assessments for building improvements. Many Assessor's Offices provide online access to their records, including documents on building and zoning.

Burlington Township Assessor Sycamore IL 434 South Main Street 60178 847-683-2555

Cortland Township Assessor Cortland IL 14 South Prairie Street 60112 815-756-6423

Dekalb County Assessor's Office Sycamore IL 110 East Sycamore Street 60178 815-895-7120

Sandwich Township Assessor Sandwich IL 201 West Center Street 60548 815-786-2828

Sycamore Township Assessor Sycamore IL 545 Brickville Road 60178 815-899-5313


DeKalb County Building Inspectors ensure that building construction is in compliance with building and zoning codes in DeKalb County, IL. They maintain documents on permits issued by the DeKalb County Building Department, including construction, relocation, demolition, and occupancy permits. Building Inspectors also keep approved and rejected building plans and blueprints, records on a property's compliance with DeKalb County building codes, and records on building and zoning violations and inspection reports. Many Building Inspectors make these building and zoning records available to the public online.

Dekalb County Building Inspector Sycamore IL 110 East Sycamore Street 60178 815-895-7188